# Firebolt: Major incident: Signing in to Firebolt may fail

**Summary:** Firebolt reported a major incident in which sign-ins could fail, affecting AWS ec2-us-east-2, Engines and Web Application. It started at 2021-08-31 18:49 UTC and was resolved at 2021-09-01 02:02 UTC, lasting 7 h 12 min. Firebolt attributed it to cloud-provider networking issues and reported implementing a fix. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2021-08-31 18:49 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/62w0xzypq9w0](https://stspg.io/62w0xzypq9w0)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)
- Versions: before (none: first archived) → after incident\_version:147/b32y26k59pln@beacc2291179
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Signing in to Firebolt may fail
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2021-08-31 18:49 UTC
```

**5. Added: Resolved time**

```diff
+ 2021-09-01 02:02 UTC
```

**6. Added: Affected components**

```diff
+ AWS - AWS ec2-us-east-2, AWS ec2-us-east-2, Engines, Firebolt Components - Engines, Firebolt Components - Web Application, Web Application
```

**7. Added: Update** (identified) · 2021-08-31 18:49 UTC

```diff
+ Signing in to Firebolt may fail due to issues with 3rd party provider.
```

**8. Added: Update** (identified) · 2021-08-31 20:08 UTC

```diff
+ We have isolated the issue to networking issues with our cloud provider. We hope to quickly restore services after the networking issues are resolved.
```

**9. Added: Update** (identified) · 2021-08-31 20:57 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**10. Added: Update** (monitoring) · 2021-08-31 21:06 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**11. Added: Update** (resolved) · 2021-09-01 02:02 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2021-08-31 18:49 UTC | Major incident: Signing in to Firebolt may fail (this change) | outage |

All Firebolt changes: [timeline](https://rewindex.com/company/firebolt/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/id2974ef0eb97ea · Markdown: https://rewindex.com/change/id2974ef0eb97ea.md · JSON: https://rewindex.com/api/v1/changes/id2974ef0eb97ea · Generated 2026-10-18T02:53:43.027Z